<template>
  <!--推荐页-->
  <div>
    <van-swipe class="my-swipe" :autoplay="3000" indicator-color="white">
      <van-swipe-item v-for="(img, index) in bannerList" :key="index">
        <img :src="img.imageUrl" width="100%" alt="" />
      </van-swipe-item>
    </van-swipe>
    <div class="songlist-content">
      <div class="line">推荐歌单</div>
      <div v-for="(item, index) in songList" :key="index" class="songList">
        <img :src="item.picUrl" width="118px" height="118px" />
        <p class="song-title">{{ item.name }}</p>
      </div>
    </div>
    <div>
      <div class="line">最新音乐</div>
      <div v-for="(item, index) in newSongList" :key="index" class="song-div">
        <p class="song-name">{{ item.name }}</p>
        <p class="artist-name">
          <i class="sq"></i>
          <span
            v-for="(artist, idx) in item.song.artists"
            :key="'artist' + idx"
          >
            {{ artist.name }}
            <!-- 歌手是多人时，添加分割线 -->
            <span
              v-if="
                item.song.artists.length > 1 &&
                idx != item.song.artists.length - 1
              "
              >/</span
            >
          </span>
        </p>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      //轮播图
      bannerList: [],
      //歌单
      songList: [],
      newSongList: [],
    };
  },
  created() {
    //获取轮播图
    if (localStorage.getItem("banner")) {
      this.bannerList = JSON.parse(localStorage.getItem("banner"));
    } else {
      this.getBanner();
    }
    this.getSongList();
    this.getNewSong();
  },
  methods: {
    getBanner() {
      //this.$http("http://localhost:4000/banner")
      this.$http("/banner")
        //this.$http.post('/banner',{data:xxx.ddd:saaaa})
        .then((res) => {
          //console.log(res.data.banners);
          this.bannerList = res.data.banners;
          //保存到localStorage中
          localStorage.setItem("banner", JSON.stringify(this.bannerList));
        })
        .catch((err) => {
          console.log(err);
        });
    },
    //获取歌单
    getSongList() {
      this.$http("/personalized?limit=6")
        .then((res) => {
          //console.log(res);
          this.songList = res.data.result;
        })
        .catch((err) => {
          console.log(err);
        });
    },
    //获取最新音乐
    getNewSong() {
      this.$http("/personalized/newsong")
        .then((res) => {
          //console.log(res);
          this.newSongList = res.data.result;
        })
        .catch((err) => {
          console.log(err);
        });
    },
  },
};
</script>

<style scoped>
.my-swipe .van-swipe-item {
  color: #fff;
  font-size: 20px;
  /* line-height: 150px; */
  text-align: center;
  /* background-color: #39a9ed; */
}
.line {
  height: 20px;
  line-height: 20px;
  border-left: 2px solid #f00;
  margin-top: 10px;
  padding-left: 10px;
  font-size: 18px;
}
.songlist-content {
  min-height: 400px;
}
.songList {
  float: left;
  width: 28%;
  margin: 10px 8px;
}
.song-div {
  border-bottom: 1px solid #f4f4f4;
  padding-left: 10px;
}
.song-title {
  margin: 0;
  font-size: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  /* 超出部分隐藏 */
  overflow: hidden;
}
.song-name {
  font-size: 16px;
}
.artist-name {
  font-size: 12px;
  color: #666;
}
.sq {
  display: inline-block;
  width: 14px;
  height: 10px;
  background-image: url("../../static/img/index_icon_2x.png");
  background-size: 186.75px 109.125px;
  background-position: 0 0;
}
</style>